Water Softener for Small Tabletop Steam Convection Ovens Avio TRS-4K10L Tanico Water Softener Kuritac For Convec and Small Tabletop Steam Convection Ovens TRS-4K10L W150 x φ102 x H380mm Used for about 1 year. I think the condition is beautiful. Parts to attach to the wall during installation are also included. The cartridge inside is not included.